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Bug 1977802

Summary: Setting osd_max_scrubs > 1 can lead to FAILED ceph_assert(!is_scrubbing())
Product: [Red Hat Storage] Red Hat Ceph Storage Reporter: Neha Ojha <nojha>
Component: RADOSAssignee: Ronen Friedman <rfriedma>
Status: CLOSED ERRATA QA Contact: skanta
Severity: high Docs Contact:
Priority: high    
Version: 5.0CC: akupczyk, bhubbard, ceph-eng-bugs, ceph-qe-bugs, jdurgin, nojha, rzarzyns, skanta, sseshasa, tserlin, vereddy, vumrao
Target Milestone: ---Keywords: CodeChange
Target Release: 5.0   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: ceph-16.2.0-88.el8cp Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-08-30 08:31:29 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Neha Ojha 2021-06-30 14:00:13 UTC 
Description of problem:

Setting a value of osd_max_scrubs greater than 1 (default) can lead to the following crash.

2021-06-23T20:55:00.571+0000 7f3a45c0b700 -1 /home/jenkins-build/build/workspace/ceph-dev-build/ARCH/x86_64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos8/DIST/centos8/MACHINE_SIZE/gigantic/release/17.0.0-5425-gda5d094f/rpm/el8/BUILD/ceph-17.0.0-5425-gda5d094f/src/osd/PG.cc: In function 'bool PG::sched_scrub()' thread 7f3a45c0b700 time 2021-06-23T20:55:00.569263+0000
/home/jenkins-build/build/workspace/ceph-dev-build/ARCH/x86_64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos8/DIST/centos8/MACHINE_SIZE/gigantic/release/17.0.0-5425-gda5d094f/rpm/el8/BUILD/ceph-17.0.0-5425-gda5d094f/src/osd/PG.cc: 1333: FAILED ceph_assert(!is_scrubbing())

 ceph version 17.0.0-5425-gda5d094f (da5d094f2647a6a32316cdd11e40fce91c572df8) quincy (dev)
 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x152) [0x55be96e7959c]
 2: ceph-osd(+0x5b47a4) [0x55be96e797a4]
 3: (PG::sched_scrub()+0x561) [0x55be970293a1]
 4: (OSD::sched_scrub()+0x8e6) [0x55be96f736f6]
 5: (OSD::tick_without_osd_lock()+0x678) [0x55be96f83248]
 6: (Context::complete(int)+0xd) [0x55be96fb865d]
 7: (SafeTimer::timer_thread()+0x1c0) [0x55be9761e7b0]
 8: (SafeTimerThread::entry()+0x11) [0x55be97621351]
 9: (Thread::_entry_func(void*)+0xd) [0x55be9761042d]
 10: /lib64/libpthread.so.0(+0x814a) [0x7f3a5304114a]
 11: clone()
Comment 12 errata-xmlrpc 2021-08-30 08:31:29 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Red Hat Ceph Storage 5.0 bug fix and enhancement), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2021:3294